<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>验证用户密码</title>
    <script>
            var password=prompt('请输入密码');
            if(password=='123456'){
                alert('密码输入正确');
            }else{
                alert('密码输入错误');
            }
            </script>
</head>
<body>
        <p><a href="1.html">返回上一页</a> </p>
</body>
</html>